8470020 has 48 divisors (see below), whose sum is σ = 25542720. Its totient is φ = 2084736.

The previous prime is 8469997. The next prime is 8470031. The reversal of 8470020 is 200748.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4650 + ... + 6209.

It is an arithmetic number, because the mean of its divisors is an integer number (532140).

Almost surely, 2^8470020 is an apocalyptic number.

It is an amenable number.

8470020 is an abundant number, since it is smaller than the sum of its proper divisors (17072700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8470020 is a wasteful number, since it uses less digits than its factorization.

8470020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10884 (or 10882 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 8470020 is about 2910.3298782097. The cubic root of 8470020 is about 203.8425351568.

Adding to 8470020 its reverse (200748), we get a palindrome (8670768).

The spelling of 8470020 in words is "eight million, four hundred seventy thousand, twenty".